Super Administrator
├── Platform Configuration
├── User Role Management
├── System Maintenance
├── Security Administration
└── API Management

Institute Administrator
├── Organization Management
├── Student/Staff Management
├── Course Administration
├── Financial Management
└── Analytics Access

Course Administrator
├── Course Management
├── Student Enrollment
├── Content Management
├── Communication Tools
└── Progress Monitoring

Instructor
├── Class Management
├── Student Progress
├── Assignment Grading
├── Communication
└── Basic Reporting

Student
├── Personal Profile
├── Course Access
├── Test Taking
├── Progress Viewing
└── Communication

Feature Access Control:
Create Users: Super Admin, Institute Admin
Modify Courses: Super Admin, Institute Admin, Course Admin
Financial Access: Super Admin, Institute Admin
System Settings: Super Admin only
Student Data: Appropriate instructors and admins only
Analytics: Role-based access levels
API Access: Super Admin configuration required

Bulk User Creation:
- CSV import with role assignment
- Automated email invitations
- Default password policies
- Profile completion requirements
- Access level configuration

Individual Account Setup:
- Manual account creation
- Custom role assignment
- Specific permission overrides
- Trial access configuration
- Temporary access grants

# User lifecycle states
user_states = {
    "pending": "Account created, invitation sent",
    "active": "Full platform access enabled",
    "suspended": "Temporary access restriction",
    "inactive": "No platform access, data retained",
    "archived": "Account marked for deletion",
    "deleted": "Account and data removed"
}

Official Test Pools:
IELTS Pool:
- Academic tests: 15 complete tests
- General Training: 15 complete tests
- Section practice: 50+ individual sections
- Difficulty levels: Beginner to Advanced

TOEFL Pool:
- Complete iBT tests: 12 full tests
- Section practice: 40+ individual sections
- Adaptive difficulty: Medium to Advanced
- Audio quality: Professional recordings

GMAT Pool:
- Complete tests: 8 full adaptive tests
- Section pools: 200+ quantitative, 200+ verbal
- Data Insights: 150+ questions
- Difficulty calibration: 400-800 score range

GRE Pool:
- Complete tests: 6 full adaptive tests
- Section pools: 300+ verbal, 300+ quantitative
- Analytical Writing: 50+ prompts
- Adaptive algorithm: Section-level adaptation

Content Validation:
- Expert review process
- Statistical item analysis
- Cultural bias assessment
- Difficulty calibration
- Performance validation

Automated Quality Checks:
- Answer key verification
- Audio synchronization testing
- Image and media validation
- Cross-reference accuracy
- Format compliance checking

Continuous Monitoring:
- Performance statistics tracking
- Student feedback analysis
- Instructor quality reports
- Automated anomaly detection
- Regular content audits

Content Generation Oversight:
- AI model configuration
- Quality threshold settings
- Content moderation rules
- Approval workflows
- Version control systems

Generated Content Management:
- Content library organization
- Tagging and categorization
- Usage analytics tracking
- Performance monitoring
- Archive and deletion policies

Quality Assurance Workflow:
1. AI generates content
2. Automated quality checks
3. Expert review queue
4. Approval or revision
5. Deployment to test pools
6. Performance monitoring
7. Continuous improvement

General Settings:
- Platform branding and appearance
- Default language and localization
- Time zone and regional settings
- Email server configuration
- File upload limits and restrictions

Security Configuration:
- Password policies
- Session timeout settings
- Two-factor authentication
- IP address restrictions
- SSL/TLS certificate management

Performance Settings:
- Caching configuration
- Database optimization
- Content delivery network
- Load balancing settings
- Resource allocation limits

# Feature flag management
feature_flags = {
    "ai_generation": True,      # Enable AI test generation
    "adaptive_testing": True,   # Enable adaptive algorithms
    "video_calling": False,     # Enable video consultation
    "mobile_app": True,         # Enable mobile application
    "analytics_v2": False,      # Enable advanced analytics
    "beta_features": False      # Enable experimental features
}

LMS Integrations:
- Canvas LTI integration
- Moodle plugin support
- Blackboard connector
- Google Classroom sync
- Microsoft Teams integration

Payment Processing:
- Stripe payment gateway
- PayPal business account
- Square payment processing
- Bank transfer systems
- Cryptocurrency support

Communication Tools:
- Email service providers (SendGrid, Mailchimp)
- SMS gateways (Twilio, MessageBird)
- Push notification services
- Video conferencing (Zoom, WebRTC)
- Chat systems (Intercom, Zendesk)

Analytics and Monitoring:
- Google Analytics integration
- Custom analytics APIs
- Performance monitoring tools
- Error tracking systems
- Business intelligence platforms

System Health Dashboard:
Server Performance:
- CPU utilization: < 70% optimal
- Memory usage: < 80% optimal
- Disk space: > 20% free required
- Network latency: < 100ms target
- Database response: < 50ms target

Application Metrics:
- Active user sessions: Real-time count
- Page load times: < 3 seconds target
- API response times: < 500ms target
- Error rates: < 0.1% target
- Uptime percentage: 99.9% SLA

User Experience Metrics:
- Session duration: Average engagement time
- Bounce rate: Platform retention
- Feature adoption: Usage statistics
- Support ticket volume: Issues per user
- User satisfaction: Feedback scores

Alert Thresholds:
Critical Alerts (Immediate Response):
- System downtime > 30 seconds
- Database connection failures
- Payment processing errors
- Security breach attempts
- Data corruption detected

Warning Alerts (Response within 1 hour):
- CPU usage > 80% for 10 minutes
- Memory usage > 90% for 5 minutes
- Error rate > 1% for 15 minutes
- API response time > 2 seconds
- Disk space < 10% remaining

Information Alerts (Daily Review):
- Unusual traffic patterns
- Feature usage anomalies
- Performance degradation trends
- User behavior changes
- System resource optimization opportunities

Backup Schedule:
Real-time Backups:
- Database transaction logs
- User-generated content
- System configuration changes
- Security audit logs

Daily Backups:
- Complete database snapshots
- File system backups
- Configuration backups
- User data exports

Weekly Backups:
- Full system images
- Archive historical data
- Compliance documentation
- Security certificate backups

Monthly Backups:
- Long-term archive storage
- Disaster recovery testing
- Compliance audit packages
- Historical analytics data

Recovery Time Objectives (RTO):
- Critical systems: < 1 hour
- Student data access: < 2 hours
- Full platform functionality: < 4 hours
- Complete system restoration: < 24 hours

Recovery Point Objectives (RPO):
- Database transactions: < 15 minutes
- User content: < 1 hour
- System configurations: < 4 hours
- Historical data: < 24 hours

Recovery Procedures:
1. Incident detection and assessment
2. Emergency response team activation
3. Communication to stakeholders
4. System isolation and analysis
5. Data recovery from backups
6. System restoration and testing
7. Service resumption
8. Post-incident review and improvement

MFA Configuration:
Supported Methods:
- SMS text message codes
- Authenticator app (TOTP)
- Email verification codes
- Hardware security keys
- Biometric authentication (mobile)

Policy Settings:
- MFA required for administrators
- MFA optional for students (recommended)
- Grace period for new accounts: 7 days
- Backup code generation: 10 codes
- Session timeout with MFA: 8 hours

SSO Providers:
- SAML 2.0 integration
- OAuth 2.0/OpenID Connect
- Active Directory integration
- Google Workspace SSO
- Microsoft Azure AD
- LDAP directory services

Configuration Options:
- Automatic user provisioning
- Role mapping from identity provider
- Just-in-time account creation
- Session management synchronization
- Logout coordination across systems

# Security event logging
security_events = {
    "login_attempts": "Successful and failed authentication",
    "permission_changes": "Role and access modifications",
    "data_access": "Sensitive data viewing and exports",
    "system_changes": "Configuration and setting updates",
    "financial_transactions": "Payment and billing activities",
    "content_modifications": "Test and course content changes"
}

Regulatory Compliance:
GDPR (General Data Protection Regulation):
- Data processing consent management
- Right to data portability
- Right to erasure (right to be forgotten)
- Data breach notification procedures
- Privacy impact assessments

FERPA (Family Educational Rights and Privacy Act):
- Student record privacy protection
- Parental access rights (for eligible students)
- Directory information management
- Educational record disclosure logging
- Annual notification requirements

SOC 2 Type II:
- Security controls audit
- Availability monitoring
- Processing integrity verification
- Confidentiality protection measures
- Privacy safeguard implementation

Maintenance Windows:
Regular Maintenance (Weekly):
- Time: Sundays 2-4 AM UTC
- Duration: Maximum 2 hours
- Activities: Security updates, performance optimization
- Notification: 48 hours advance notice

Major Updates (Monthly):
- Time: First Sunday of month, 1-5 AM UTC
- Duration: Maximum 4 hours
- Activities: Feature updates, system upgrades
- Notification: 1 week advance notice

Emergency Maintenance:
- Time: As needed for critical issues
- Duration: Variable based on issue severity
- Activities: Security patches, critical bug fixes
- Notification: Immediate for ongoing issues

Update Workflow:
1. Development and Testing:
   - Feature development in staging environment
   - Comprehensive testing procedures
   - Performance impact assessment
   - Security vulnerability scanning

2. Pre-Production Validation:
   - User acceptance testing
   - Load testing and performance validation
   - Backup verification procedures
   - Rollback plan preparation

3. Production Deployment:
   - Phased rollout to minimize risk
   - Real-time monitoring during deployment
   - Immediate rollback capability
   - Post-deployment validation testing

4. Post-Deployment:
   - Performance monitoring
   - User feedback collection
   - Issue tracking and resolution
   - Success metrics evaluation

Support Ticket Management:
- Integrated ticketing system
- Priority classification (Critical, High, Medium, Low)
- Automated routing based on issue type
- SLA tracking and escalation procedures
- Knowledge base integration

Admin Support Features:
- Direct access to user accounts (with proper permissions)
- System log access for troubleshooting
- Real-time system status monitoring
- Bulk operation tools for mass updates
- Advanced search and filtering capabilities

System Diagnostic Tools:
- Real-time log viewer
- Performance profiler
- Database query analyzer
- Network connectivity tester
- User session inspector

Common Issue Resolution:
- User account lockout recovery
- Payment processing failures
- Content delivery issues
- Performance optimization
- Integration connectivity problems

Database Optimization:
- Query performance analysis
- Index optimization
- Connection pooling configuration
- Cache strategy implementation
- Data archiving procedures

Application Optimization:
- Code profiling and optimization
- Resource usage minimization
- CDN configuration for static content
- Lazy loading implementation
- API response optimization

Infrastructure Scaling:
- Auto-scaling group configuration
- Load balancer optimization
- Regional deployment strategies
- Backup system scaling
- Monitoring system expansion

# Capacity planning metrics
capacity_metrics = {
    "user_growth_rate": "25% quarterly growth expected",
    "storage_requirements": "100GB per 1000 active users",
    "bandwidth_usage": "50MB per user per session",
    "processing_power": "1 CPU core per 100 concurrent users",
    "database_size": "1GB per 10,000 test sessions"
}